Question: Who was the chairperson of Free Software Foundation in 1985-10-4?
Paraphrase: The Free Software Foundation chairperson on October 4th, 1985 was whom?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q48413 p:P488 ?s . ?s ps:P488 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1985')) }